Fastener insert



FIG. 1 is a side perspective view of a fastener insert;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a rear side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the fastenerinsert that form no part of the claimed design. Further, the appearanceof any portion of the fastener insert between the break lines of FIGS. 1through 5 forms no part of the claimed design.

CLAIM The ornamental design for a fastener insert, as shown anddescribed.